Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332316883Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 2394000B2 = 86681000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=72021-01-06Simon Josefsson60A3DEA9964CB0A8275846413HistoryDateUserTypeResult2023-10-18James HeinrichNFno factor TF: 67-682023-03-23Mark RoseNFno factor TF: 80-812023-03-23Mark RoseNFno factor TF: 79-802021-01-07ATHCERTProof certified good2021-01-06Simon JosefssonC-PRP60A3DEA9964CB0A8 Proof Certified Good Proof Power: 72020-11-07Simon JosefssonNF-PM1B1=2394000, B2=866810002020-10-31Runtime ErrorNFno factor TF: 78-792020-10-28Team_InspectorNFno factor TF: 77-782020-07-29el groccoNFno factor TF: 76-772015-09-11Team_InspectorNFno factor TF: 75-762013-11-01shengNFno factor TF: 74-752013-09-26Team_InspectorNFno factor TF: 73-742013-01-16LaurVNFno factor TF: 72-732012-05-23Grant McCrackenNFno factor TF: 71-722011-06-15Grant McCrackenNFno factor TF: 70-712010-10-01SunfishNFno factor TF: 69-702009-08-27Team_InspectorNFno factor TF: 68-69